Patents by Inventor Soon-Jong Han

Soon-Jong Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Biodegradable mulching-mat for preventing weeds and method for manufacturing the mat
    Publication number: 20050072046
    Abstract: There are provided a biodegradable mulching-mat for preventing weed in rice cultivation having improved biodegradability to be completely degraded in several months, good mulching properties of preventing the growth of weeds, elevating soil temperature and increasing soil moisture capacity, and good strength and durability; and a method for manufacturing said mulching-mat by means of extrusion molding.
    Type: Application
    Filed: April 9, 2002
    Publication date: April 7, 2005
    Inventors: Woon-Ho Yang, Je-Kyu Kim, Hee-Suk Han, Jae-Hyun Kim, Yang-Soon Kang, Jeong-Ju Shin, Sang-Joon Kim, Min-Hyuk Lee, Soon-Jong Han